<template>
 <div>
<input type="text" @keyup.enter="fn">
 </div>
</template>

<script>
 export default {
   data () {
     return {

     }
   },
   methods: {
    fn(){
        console.log("按下了回车键");
    }
   }
 }
</script>

<style scoped lang='less'>

</style>